18801492

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 26733228

約数列:

[1, 2, 3, 4, 6, 12, 43, 83, 86, 129, 166, 172, 249, 258, 332, 439, 498, 516, 878, 996, 1317, 1756, 2634, 3569, 5268, 7138, 10707, 14276, 18877, 21414, 36437, 37754, 42828, 56631, 72874, 75508, 109311, 113262, 145748, 218622, 226524, 437244, 1566791, 3133582, 4700373, 6267164, 9400746, 18801492]

約数ペア:

[(1, 18801492), (2, 9400746), (3, 6267164), (4, 4700373), (6, 3133582), (12, 1566791), (43, 437244), (83, 226524), (86, 218622), (129, 145748), (166, 113262), (172, 109311), (249, 75508), (258, 72874), (332, 56631), (439, 42828), (498, 37754), (516, 36437), (878, 21414), (996, 18877), (1317, 14276), (1756, 10707), (2634, 7138), (3569, 5268)]